434190621 has 8 divisors (see below), whose sum is σ = 579221280. Its totient is φ = 289310192.

The previous prime is 434190587. The next prime is 434190623. The reversal of 434190621 is 126091434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 434190621 - 2¹⁰ = 434189597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434190623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30630 + ... + 42503.

It is an arithmetic number, because the mean of its divisors is an integer number (72402660).

Almost surely, 2^434190621 is an apocalyptic number.

It is an amenable number.

434190621 is a deficient number, since it is larger than the sum of its proper divisors (145030659).

434190621 is a wasteful number, since it uses less digits than its factorization.

434190621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75115.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 434190621 is about 20837.2412041518. The cubic root of 434190621 is about 757.2282583541.

The spelling of 434190621 in words is "four hundred thirty-four million, one hundred ninety thousand, six hundred twenty-one".